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• Retrieve Specific Data/Value From Database 1 Line PHP

  - by Belgin Fish

  Hi, I'm just wondering how I can retrieve a specific value (only 1 thing will be returned) from a database using php. My query is mysql_query("SELECT balance FROM users WHERE username = '". $this->username . "'") I'm just looking for it to retrieve the data from that row so I can save it directory into a variable.

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• least value in count

  - by Nyfer

  i have a table employee(id,dept_id,salary,hire_date,job_id) . the following query i have to execute. Show all the employee who were hired on the day of the week on which least no of employee were hired. i have done the query, but am not able to get the least. please check if am correct. select id, WEEKDAY(hire_date)+1 as days,count(WEEKDAY(hire_date)+1) as count from test.employee group by days

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• Error in ASP Code

  - by user303949

  Hi Below ASP code have some error in 'Dim MonthNum=Month("Ctxtdatefrom") ' Can help to solve this. ...... If session("cmbLeaveType")=2 then set rs2 = objconn.execute("select * form Particulars where empid='" & session("empid") & "'") if ChildNationality = ABC then Dim MonthNum=Month("Ctxtdatefrom") Dim MonthNum2=Month("ctxtdateto") If(MonthNum=5 and monthnum2=5) if tdays1 then else set rs = objconn.execute("insert into leavebank (empid, datesubmit, datefrom, dateto.... END IF END IF END IF END IF

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• LINQ to SQL selecting fields

  - by user3686904

  I am trying to populate more columns in the query below, could someone assist me? QUERY: var query = from r in SQLresults.AsEnumerable() group r by r.Field<string>("COLUMN_ONE") into groupedTable select new { c1 = groupedTable.Key, c2 = groupedTable.Sum(s => s.Field<decimal>("COLUMN_TWO")), }; How could I get a column named COLUMN_THREE in this query ? Thanks in advance

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• How to count NULL values in MySQL?

  - by abbr

  I want to know how can i find all the values that are NULL in the MySQL database for example I'm trying to display all the users who don't have an average yet. Here is the MySQL code. SELECT COUNT(average) as num FROM users WHERE user_id = '$user_id' AND average IS_NULL

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• Mysql ADDDATE() or DATE_ADD() with table columns?

  - by John

  How do I do something like the following SELECT ADDDATE(t_invoice.last_bill_date, INTERVAL t_invoice.interval t_invoice.interval_unit) FROM t_invoice ...where the column t_invoice.last_bill_date is a date, t_invoice.interval is an integer and t_invoice.interval_unit is a string. Basically, I want to determine a person's next bill date based on his desired billing frequency. Is there a better way to achieve this?

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• How to append an integer to a const char value in iphone?

  - by Warrior

  I have sql query statement which used to display the contents in the table.The sql statement consist of a where clause which is to be appended with numeric value as 1 ,2 3 etc depends upon the previously selected content.I am having the numeric value as int and i want it to append to sql statement which is const char.how can i append both the values.Please help me out. My query is == select * from Book where id=1; i have the id value is integer Thanks.

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• vb.net master page needs to save data in session after calling pages change

  - by ferrre

  i have 1 master page with 5 dropdownlists on it. The thing is, the master page has href's to aspx pages that use this master page as pagebehind. now lets save i am in page1.aspx with master1.master as pagebehind. If i select couple of dropdownlists, and then click on an href, the whole master page reloads. how do i catch this in session before postback?

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• limiting a query to a specific item

  - by Dev-Ria

  I have a db with thousands of domains and data. I want to list only 100 rows of each domain. i can't use LIMIT 100 cause that only limits 100 records but I want dom1 to list 100 dom2 to list 100 dom3 to list 100 all in one query. This is what I have so far. SELECT domain COUNT(Key) AS DomCount FROM table_domain GROUP BY user,location ORDER BY domain,DomCount DESC Could I use a CASE?

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• [Linq to sql] query result what should i use Count() or Any()...

  - by Pandiya Chendur

  I am checking login of a user by this repository method, public bool getLoginStatus(string emailId, string password) { var query = from r in taxidb.Registrations where (r.EmailId == emailId && r.Password==password) select r; if (query.Count() != 0) { return true; } return false; } I saw in one of the previous questions !query.Any() would be faster... Which should i use? Any suggestion....

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• Android Password GUI

  - by ranjanarr

  I am looking for Android GUI which is wheel type number lock, with numbers on the wheel. The password GUI looks like a wheel with numbers on it and user can roll the wheel to select a number when wheel stops, only the numbers are visible that are on the surface of wheel.

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• Function equivalent to sprintf() with maximum number of characters to be copied?

  - by Tommy

  function(char* name) { char sql[50]; sprintf(sql, "select %s;", name); } What's the best way to make sure only 50 chars of name are copied to sql in the case name is larger than what sql can hold? (sprintf with a N parameter?) Thank You.

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• How to execute query with empty fields?

  - by Kliver Max

  I have a SQL Query: SELECT documents.*, t_rights.rights, documents_list.docs FROM documents INNER JOIN t_rights on t_rights.num=documents.type_right INNER JOIN documents_list on documents_list.num=documents.document1 WHERE code_document=1 or code_document=1 In case if i have fields documents.document1 and documents.document1 with some value all works fine. But if this field empty i get empty query result. Its possible make query like this with empty fields?

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• [Linq-To-Sql]How to return two values of different datatypes?

  - by Pandiya Chendur

  Here is my repository method which returns UserId , public IQueryable<int> getLoginStatus(string emailId, string password) { return (from r in taxidb.Registrations where (r.EmailId == emailId && r.Password == password) select r.UserId); } How to return UserName which is a string along with UserId... Any suggestion?

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• Get top rated item using AVG mysql

  - by user1876234

  I want to find top rated item using AVG function in mysql, right now my query looks like this: SELECT a.title, AVG(d.rating) as rating FROM in8ku_content a JOIN in8ku_content_ratings d ON a.id = d.article_id ORDER BY rating DESC Problem is that it takes AVG of all items and the result is not accurate, what should be changed here to get correct result ? Tables: in8ku_content [id, title] in8ku_content_ratings [id, article_id, rating]

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• jquery quering the database

  - by mazhar

  the thing is that there are number of items in the html select list,what i want to do is to click on any of the item, then query the database on the id of that item. retrieve the value and then display that in the textbox, how would i query the database? I would really appreciate that if someone provides the code sample for querying the database

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• equal insread of distinct

  - by MirooEgypt

  SELECT DISTINCT IncreasmentAmount, Name, regionid FROM Pricing.GroupOfRegions where regionid in (6,7) i have this result 12.80 AB 6 13.00 ABC 6 15.00 AC 6 12.80 AB 7 13.00 ABC 7 i wanna add more condition where IncreasmentAmount are equals which means i got the rows where regionid in (6,7) and have the same IncreasmentAmount so i got finally 12.80 AB 6 12.80 AB 7

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• sql query help join (i think)

  - by milan

  I am having trouble figuring our how I can get results only when products.published, product_types.published, and product_cats.published = 1 but my query isn't working. Please help: SELECT `products`.`title`, `products`.`menu_id`, `products`.`short_description`, `products`.`datasheet_icon`, `products`.`datasheet`, `products`.`ordering`, `products`.`product_type_id`, CASE WHEN CHAR_LENGTH(`products`.`alias`) THEN CONCAT_WS(':', `products`.`id`, `products`.`alias`) ELSE `products`.`id` END AS slug FROM `products`, `product_cats`, `product_types` WHERE `products`.published=1 AND `product_cats`.published=1 AND `product_types`.published=1 AND `products`.`product_cat_id`='42' AND `product_types`.`id` IN (1,40,48,49,50) GROUP BY `products`.`id` ORDER BY `product_types`.`ordering`, `products`.`ordering`

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• GridView with multiple DataSources

  - by mike1973

  Hello, I have a grid view that will display columns from multiple data sources (3). The data sources are stored procedures that contains a variety of columns not identical, How can i select the columns from these datasources and bind them to the Grid programtically (from code behind)??? Thanks

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• Getting maximum value from table using LINQ

  - by Tena

  I have a table in my database. I want to get the maximum value of a column named NumOfView. I used this code: var advert=(from ad in storedb.Ads where ad.AdScope == "1" select ad.NumOfView).Max(); It works but when there are two or more same maximum values it doesn't work and this message appears: Sequence contains more than one element What should I do now? Your answers will be very helpfull. Thanks

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• Clustered Index

  - by Charu

  Which type of index(clustered/non clustrered) should be used for Insert/Update/Delete statement in SQL Server. I know it creates an additional overhead but is it better in performance as comparison to non clustered index? Also which index should be use for Select statements in SQL Server?

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• jQuery(formElement).val(null) : inconsistent results in different browsers

  - by Shehi

  Code is here: http://jsfiddle.net/jf7t2/1/ Please run it on the latest versions of all browsers, and see for yourself. When the button is clicked, on: on Chrome (and Safari of course) it just doesn't select anything, instead creates some ghostly empty option on Firefox and Opera, it works the way I expect and want it to work, resets the element value on Explorer, it does nothing So, which one is expected behaviour? Thanks.

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• help for a query

  - by stighy

  Hi, i've a problem for a table update. follow table structure: Table1 tableid ... ... productID_1 productID_2 productID_3 Table2 productID Total I've to totalize each product in table2. For example: SELECT COUNT(*) as tot, ProductID_1 FROM Table1 GROUP Table1 then the UPDATE table2 SET total =..??? (how can i do) WHERE productID_1 = .... Hope you can help me. Thank you

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• Selecting min date excluding 0000-00-00

  - by nsw1475

  I am running a query in SQL, and I need to select a minimum date that is not 0000-00-00. Is there any way to exclude this value and choose the next minimum date?

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• numeric choice field:How to let the user set a value by incrementing/decrementing the displayed valu

  - by con_9

  Hi,I have a range say,1-100 and i want the user to select a value from this range.Ofcourse showing this with a spinner will be awful.I want to use the functionality of date widget,where we can pick a date by pressing a +/- sign,the longer the press ,higher the iteration speed. I found numberpicker.java that has the code the date widget uses to get this functionality, but do i have to paste that entire code to achieve this functionality!

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